JPH0414517Y2 - - Google Patents
Info
- Publication number
- JPH0414517Y2 JPH0414517Y2 JP1988120081U JP12008188U JPH0414517Y2 JP H0414517 Y2 JPH0414517 Y2 JP H0414517Y2 JP 1988120081 U JP1988120081 U JP 1988120081U JP 12008188 U JP12008188 U JP 12008188U JP H0414517 Y2 JPH0414517 Y2 JP H0414517Y2
- Authority
- JP
- Japan
- Prior art keywords
- engaging jaw
- movable
- jaw
- rod
- operating member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000012530 fluid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3672—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat where disengagement is effected by a mechanical lever or handle
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3618—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat with two separating hooks
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
- E02F3/3609—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat
- E02F3/3668—Devices to connect tools to arms, booms or the like of the quick acting type, e.g. controlled from the operator seat where engagement is effected by a mechanical lever or handle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Shovels (AREA)
Description
【考案の詳細な説明】
［産業上の利用分野］
本考案はパワーシヨベル等の吊上げ作業体を備
えた土木機械の前記作業体交換装置に関するもの
である。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a work body changing device for a civil engineering machine equipped with a lifting work body, such as a power shovel.
［従来の技術］
従来のこの種装置には、例えば実公昭60−
24764号公報に掲載されたものがあるが、この考
案は一方の嵌合あごに下向きに嵌合部を設けたた
め、これのみでは作業体の固定用杆に取付けるこ
とができず、従つて横向きの嵌合部を設けた別の
係合板を嵌合あごに枢着させる必要があり構造的
にも複雑となる。[Prior art] Conventional devices of this type include, for example, the
There is a device published in Publication No. 24764, but this idea has a fitting part facing downward on one fitting jaw, so it cannot be attached to the fixing rod of the work body with only this, and therefore it cannot be attached to the fixing rod of the work body. It is necessary to pivotally attach another engagement plate provided with a fitting portion to the fitting jaw, which results in a complicated structure.
また実開昭60−96464号公報に記載されたもの
は、可動部材を作業機具の対応壁面とほぼ平行に
前後後退させることによつて作業機具を着脱可能
に枢着するものである。 Furthermore, the device disclosed in Japanese Utility Model Application Publication No. 60-96464 is a device in which a working tool is pivotally mounted in a removable manner by moving a movable member back and forth approximately parallel to the corresponding wall surface of the working tool.
［考案が解決しようとする課題］
本考案の課題は、前記従来の構造を改め、簡単
な機構により確実に作業体を固定し、吊上げでき
る交換装置を提供することにある。[Problems to be Solved by the Invention] An object of the present invention is to provide an exchange device that can reliably fix and lift a work body using a simple mechanism, by modifying the conventional structure.
［課題を解決するための手段］
本考案の手段は、機械本体への取付孔を備えた
主体一側に係合あごを設け、該係合あごと相対し
て、他側に可動係合あご体を回動可能に枢着し、
前記主体に回転螺杆や流体シリンダー等の可動係
合あご伸縮操作部材を架設し、該伸縮操作部材に
移動子を接続し、移動子の左右に可動係合あご体
の弯曲外周面に接する円形接触部を設け、コイル
ばねを巻付けてその一端を受け止めた復帰杆を前
記移動子に枢着し、可動係合あご体に枢支したば
ね受片によりコイルばねの他端を受支し、係合あ
ご並びに可動係合あご体はパワーシヨベル等の作
業体の固定用杆に係合する各々外向きの鈎形嵌合
部を形成したことである。[Means for Solving the Problems] The means of the present invention is to provide an engaging jaw on one side of the main body having a mounting hole to the machine body, and a movable engaging jaw on the other side opposite to the engaging jaw. The body is pivoted so that it can rotate,
A movable engaging jaw telescopic operating member such as a rotating screw rod or a fluid cylinder is installed on the main body, a movable element is connected to the movable engaging jaw body, and circular contacts are provided on the left and right sides of the movable engaging jaw body in contact with the curved outer peripheral surface of the movable engaging jaw body. A return rod with a coil spring wrapped around it and receiving one end of the return rod is pivotally connected to the slider, and the other end of the coil spring is received and supported by a spring receiving piece pivotally supported on the movable engagement jaw body. The matching jaw and the movable engaging jaw body are each formed with an outward hook-shaped fitting portion that engages with a fixing rod of a working body such as a power shovel.
［作用］
操作部材９を回すと、移動子１０は進行し円形
接触部１４により可動係合あご体４をくさびのよ
うに押圧し、かつコイルばね１５に抗してピン５
を支点に回すので、係合あご３と可動係合あご４
に嵌めた作業体の固定用杆８，８に嵌合部６及び
７は食込み、第３図に示すように可動係合あご体
４の嵌合部７は稍々持上つた位置で固定用杆をと
らえる。そして両係合あごは突張り作業体を掴持
する。又取外すときは円形接触部１４を後退させ
ると、コイルばね１５によつて可動係合あご体４
は固定用杆８より円滑に外れる。[Function] When the operating member 9 is turned, the slider 10 advances and presses the movable engagement jaw body 4 like a wedge by the circular contact portion 14, and pushes the pin 5 against the coil spring 15.
Since it rotates around the fulcrum, the engaging jaw 3 and the movable engaging jaw 4
The fitting parts 6 and 7 bite into the fixing rods 8, 8 of the work body fitted into the work body, and as shown in FIG. Capture the rod. Both engaging jaws grip and hold the tensioning work body. In addition, when removing the circular contact part 14, the movable engaging jaw body 4 is moved by the coil spring 15.
is smoothly removed from the fixing rod 8.
［実施例］
図中１は主体で、土木機械の旋回腕の先に取付
けられる取付孔２，２を開設し、一側に係合あご
３を一体に設け、これと対向して他側に可動係合
あご体４をピン５により回動可能に枢着する。そ
して係合あご３と可動係合あご体４にそれぞれ外
向きの嵌合部６，７を形成し、作業体に設けた固
定用杆８，８を嵌合部により支持して作業体を機
械の腕に取付けるものである。[Example] In the figure, 1 is the main body, which has mounting holes 2, 2 to be attached to the end of the swing arm of the civil engineering machine, an engaging jaw 3 is integrally provided on one side, and an engaging jaw 3 is provided on the other side opposite to this. A movable engaging jaw body 4 is rotatably pivoted by a pin 5. Then, outward fitting parts 6 and 7 are formed on the engaging jaw 3 and the movable engaging jaw body 4, respectively, and the fixing rods 8 and 8 provided on the working body are supported by the fitting parts, so that the working body can be machined. It is attached to the arm of the person.
第１図乃至第３図の実施例では主体１に操作部
材９として回転螺杆を水平に架設し、めねじ体の
移動子１０を螺合してある。即ち回転螺杆９の中
間部につば１１を突設して軸受部材１３に緩合さ
せて一体の角部１２は別の軸受片１３′より外方
に突出させ、回転螺杆９はスパナ等で回わして移
動子１０を動かすことができるようにしてある。
移動子１０の左右に可動係合あご体４の弯曲外周
面に接する円形接触部１４を設け、かつコイルば
ね１５を巻付けてその一端を受け止めた復帰杆１
６をピン１７により移動子１０に枢着し、可動係
合あご体４に枢着１８したばね受片１９により前
記コイルばね１５の他端を受止める。また移動子
１０には回転螺杆９の先を被うカバー筒２０を突
出させてある。 In the embodiment shown in FIGS. 1 to 3, a rotary screw rod is installed horizontally on the main body 1 as an operating member 9, and a slider 10 having a female screw body is screwed into the rotary screw rod. That is, a collar 11 is protruded from the middle part of the rotary screw rod 9, and the collar 11 is loosely fitted to the bearing member 13, and the integral corner portion 12 is made to protrude outward from another bearing piece 13', and the rotary screw rod 9 is rotated with a spanner or the like. The movable element 10 can be moved by moving the movable member 10.
A return rod 1 is provided with circular contact portions 14 in contact with the curved outer peripheral surface of the movable engagement jaw body 4 on the left and right sides of the mover 10, and has a coil spring 15 wound thereon and receives one end of the circular contact portion 14.
6 is pivotally connected to the slider 10 by a pin 17, and the other end of the coil spring 15 is received by a spring receiving piece 19 which is pivotally connected 18 to the movable engaging jaw body 4. Further, a cover cylinder 20 that covers the tip of the rotary screw rod 9 is projected from the mover 10.
また、第４図に示す実施例は操作部材９は流体
シリンダーを用いそのプランジヤー２１を円形接
触部１４を有する移動子１０に接続し、前記実施
例と同様の作用を行なうようにしてある。 Further, in the embodiment shown in FIG. 4, the operating member 9 uses a fluid cylinder, and its plunger 21 is connected to the slider 10 having a circular contact portion 14, so that the same operation as in the previous embodiment is performed.
［考案の効果］
本考案によれば係合あごと相挨つて可動係合あ
ご体はその嵌合部７は稍々持上げられた位置で固
定用杆８をとらえるので固定用杆は確実に支承さ
れ、作業中に脱落するおそれはなく、至極簡単な
構造により作業体の交換を支承なく行なうことが
できる。特に本考案においては、移動子１０の円
形接触部１４により可動係合あご体４をくさび状
に動かし、確実に、外れることなく可動係合あご
体を固定用杆８に嵌合でき、取外す際はコイルば
ね１５によつて楽に可動係合あご体を固定用杆か
ら離すことできる効果がある。[Effects of the invention] According to the invention, the engaging jaw body is movable in conjunction with the engaging jaw, and its fitting portion 7 catches the fixing rod 8 in a slightly raised position, so that the fixing rod is surely supported. There is no risk of it falling off during work, and the work body can be replaced without any stress due to its extremely simple structure. In particular, in the present invention, the movable engagement jaw body 4 is moved in a wedge shape by the circular contact portion 14 of the mover 10, so that the movable engagement jaw body can be reliably fitted into the fixing rod 8 without coming off, and when removed. This has the effect that the movable engaging jaw body can be easily separated from the fixing rod by the coil spring 15.
図面は本考案に係る土木機械の吊上げ作業体交
換装置を示すもので、第１図は側面図、第２図は
正面図、第３図は作業体を支持した側面図、第４
図は他の実施例を示す側面図である。
１……主体、２……取付孔、３……係合あご、
４……可動係合あご体、５……ピン、６，７……
嵌合部、８……固定用杆、９……操作部材、１０
……移動子、１４……円形接触部、１５……コイ
ルばね、１６……復帰杆、１９……ばね受片。
The drawings show a lifting work body exchange device for civil engineering machinery according to the present invention, in which Figure 1 is a side view, Figure 2 is a front view, Figure 3 is a side view with a work body supported, and Figure 4 is a side view.
The figure is a side view showing another embodiment. 1... Main body, 2... Mounting hole, 3... Engaging jaw,
4...Movable engagement jaw body, 5...Pin, 6, 7...
Fitting portion, 8...Fixing rod, 9...Operation member, 10
...Mover, 14...Circular contact portion, 15...Coil spring, 16...Return rod, 19...Spring receiving piece.
Claims (1)
機械の吊上げ作業体交換装置。 (a) 機械本体への取付孔を備えた主体一側に係合
あごを設け、該係合あごと相対して、他側に可
動係合あご体を回動可能に枢着したこと、 (b) 前記主体に回転螺杆や流体シリンダー等の可
動係合あご伸縮操作部材を架設したこと、 (c) 伸縮操作部材に移動子を接続し、移動子の左
右に可動係合あご体の弯曲外周面に接する円形
接触部を設けたこと、 (d) コイルばねを巻付けてその一端を受け止めた
復帰杆を前記移動子に枢着し、可動係合あご体
に枢支したばね受杆によりコイルばねの他端を
受支したこと、 (e) 係合あご並びに可動係合あご体はバケツトや
破砕機等の作業体の固定用杆に係合する各々外
向きの鈎形嵌合部を形成したこと。[Claims for Utility Model Registration] A hoisting work body exchange device for civil engineering machinery consisting of a combination of the following five elements (a), (b), (c), (d), and (e). (a) An engaging jaw is provided on one side of the main body with a mounting hole for attachment to the machine body, and a movable engaging jaw body is rotatably pivoted on the other side, facing the engaging jaw; b) A movable engaging jaw telescopic operating member such as a rotating screw or a fluid cylinder is installed on the main body; (c) A movable member is connected to the telescopic operating member, and a curved outer periphery of the movable engaging jaw body is provided on the left and right sides of the movable member. (d) A return rod around which a coil spring is wound and one end of which is received is pivotally connected to the slider, and the coil is fixed by a spring receiving rod pivotally supported on the movable engagement jaw body. (e) The engaging jaw and the movable engaging jaw body each form an outward hook-shaped fitting part that engages with a fixing rod of a working body such as a bucket or a crusher. What I did.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988120081U JPH0414517Y2 (en) | 1988-09-13 | 1988-09-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988120081U JPH0414517Y2 (en) | 1988-09-13 | 1988-09-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0242957U JPH0242957U (en) | 1990-03-26 |
| JPH0414517Y2 true JPH0414517Y2 (en) | 1992-03-31 |
Family
ID=31365871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988120081U Expired JPH0414517Y2 (en) | 1988-09-13 | 1988-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0414517Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6881002B2 (en) * | 2001-11-29 | 2005-04-19 | Jrb Attachments, Llc | Spread-style coupler |
| WO2014060902A1 (en) * | 2012-10-15 | 2014-04-24 | Catoma Kg | Quick-change mechanism |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5985039A (en) * | 1982-09-29 | 1984-05-16 | カ−ル・ケスボ−ラ−・フア−ルツオイクヴエルケ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Tool attaching apparatus |
-
1988
- 1988-09-13 JP JP1988120081U patent/JPH0414517Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5985039A (en) * | 1982-09-29 | 1984-05-16 | カ−ル・ケスボ−ラ−・フア−ルツオイクヴエルケ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング | Tool attaching apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0242957U (en) | 1990-03-26 |
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